To install SP-Camo Workshop's Steel Panthers version 2.2 upgrade You will require a full install of SPWW2 2.0 OR SPWW2 2.07 - this upgrade package will work for either of the 2 releases. 1) unzip these files to a temporary folder 2) once that is done, run setup.exe 2.1) read the instructions presented there 3) Once satisfactorily installed - you may remove the installation files